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Study on the broodstock domestication and propagation characteristics of Sepia esculenta Hoyle

LIU Chang-lin,ZHUANG Zhi-meng,CHEN Si-qing,DENG Yong-sheng(Yellow Sea Fisheries Research Institute,Chinese Academy of Fisheries Science,Qingdao 266071,China)  
In order to exploit and utilize the resource of the golden cuttlefish,the brood stock domestication and propagation characteristics have been studied.The results indicated that the survival rate of domestication could reach 82.5% through drug treatment,the simulation of natural conditions and fed live bait and other methods.During the reproduction,the characteristics of displaying,fighting,mating and spawning behaviour were obvious.The test results for comparing the effect of fertilized eggs attachment to the spawning substrate base showed that the effect of holothurians larvae attached basket was good,the amount of eggs attached was large and the eggs were mustered.After the breeding,the golden cuttlefish brood stock went to die gradually,the rate of death was 100%.The difficulty in the breeding of the golden cuttlefish and the resolution have been discussed.
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